Re: HEADS-UP: default compiler code model has changed

[David Laight <david%l8s.co.uk@localhost>]

On Sat, Nov 16, 2013 at 06:42:52PM +0100, Martin Husemann wrote:
> Hey folks,
> 
> I recently did a few changes in -current that may impact your future
> binary compatibility, so here is a short summary of the effects.
...
> For pkgsrc or your own programs, however, you might run into trouble if
> you start using the updated gcc (and the top-down memory has been enabled
> in the kernel, which is not yet the case): new binaries will be marked
> as using mcmodel=medmid, but if you did not recompile all used shared 
> libraries, those might not be able to deal with the new layout.

What about ld looking at the when the shared libraries were linked?
So you only the the new memory map if all the libraries ar new?

        David

-- 
David Laight: david%l8s.co.uk@localhost